331685352002 has 4 divisors (see below), whose sum is σ = 497528028006. Its totient is φ = 165842676000.

The previous prime is 331685351989. The next prime is 331685352059. The reversal of 331685352002 is 200253586133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296348495641 + 35336856361 = 544379^2 + 187981^2 .

It is a super-2 number, since 2×331685352002² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82921337999 + ... + 82921338002.

Almost surely, 2^331685352002 is an apocalyptic number.

331685352002 is a deficient number, since it is larger than the sum of its proper divisors (165842676004).

331685352002 is a wasteful number, since it uses less digits than its factorization.

331685352002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165842676003.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 331685352002 in words is "three hundred thirty-one billion, six hundred eighty-five million, three hundred fifty-two thousand, two".